USB device stack

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Show/hide line numbers USBHAL.h Source File

USBHAL.h

00001 /* Copyright (c) 2010-2011 mbed.org, MIT License
00002 *
00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004 * and associated documentation files (the "Software"), to deal in the Software without
00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
00007 * Software is furnished to do so, subject to the following conditions:
00008 *
00009 * The above copyright notice and this permission notice shall be included in all copies or
00010 * substantial portions of the Software.
00011 *
00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 */
00018 
00019 #ifndef USBBUSINTERFACE_H
00020 #define USBBUSINTERFACE_H
00021 
00022 #include "mbed.h"
00023 #include "USBEndpoints.h"
00024 #include "toolchain.h"
00025 
00026 //#ifdef __GNUC__
00027 //#define __packed __attribute__ ((__packed__))
00028 //#endif
00029 
00030 class USBHAL {
00031 public:
00032     /* Configuration */
00033     USBHAL();
00034     ~USBHAL();
00035     void connect(void);
00036     void disconnect(void);
00037     void configureDevice(void);
00038     void unconfigureDevice(void);
00039     void setAddress(uint8_t address);
00040     void remoteWakeup(void);
00041 
00042     /* Endpoint 0 */
00043     void EP0setup(uint8_t *buffer);
00044     void EP0read(void);
00045     void EP0readStage(void);
00046     uint32_t EP0getReadResult(uint8_t *buffer);
00047     void EP0write(uint8_t *buffer, uint32_t size);
00048     void EP0getWriteResult(void);
00049     void EP0stall(void);
00050 
00051     /* Other endpoints */
00052     EP_STATUS endpointRead(uint8_t endpoint, uint32_t maximumSize);
00053     EP_STATUS endpointReadResult(uint8_t endpoint, uint8_t *data, uint32_t *bytesRead);
00054     EP_STATUS endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size);
00055     EP_STATUS endpointWriteResult(uint8_t endpoint);
00056     void stallEndpoint(uint8_t endpoint);
00057     void unstallEndpoint(uint8_t endpoint);
00058     bool realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t options);
00059     bool getEndpointStallState(unsigned char endpoint);
00060     uint32_t endpointReadcore(uint8_t endpoint, uint8_t *buffer);
00061 
00062 protected:
00063     virtual void busReset(void){};
00064     virtual void EP0setupCallback(void){};
00065     virtual void EP0out(void){};
00066     virtual void EP0in(void){};
00067     virtual void connectStateChanged(unsigned int connected){};
00068     virtual void suspendStateChanged(unsigned int suspended){};
00069     virtual void SOF(int frameNumber){};
00070 
00071     virtual bool EP1_OUT_callback(){return false;};
00072     virtual bool EP1_IN_callback(){return false;};
00073     virtual bool EP2_OUT_callback(){return false;};
00074     virtual bool EP2_IN_callback(){return false;};
00075     virtual bool EP3_OUT_callback(){return false;};
00076     virtual bool EP3_IN_callback(){return false;};
00077 #if !defined(TARGET_STM32F4)
00078     virtual bool EP4_OUT_callback(){return false;};
00079     virtual bool EP4_IN_callback(){return false;};
00080 #if !(defined(TARGET_LPC11UXX) || defined(TARGET_LPC11U6X) || defined(TARGET_LPC1347) || defined(TARGET_LPC1549))
00081     virtual bool EP5_OUT_callback(){return false;};
00082     virtual bool EP5_IN_callback(){return false;};
00083     virtual bool EP6_OUT_callback(){return false;};
00084     virtual bool EP6_IN_callback(){return false;};
00085     virtual bool EP7_OUT_callback(){return false;};
00086     virtual bool EP7_IN_callback(){return false;};
00087     virtual bool EP8_OUT_callback(){return false;};
00088     virtual bool EP8_IN_callback(){return false;};
00089     virtual bool EP9_OUT_callback(){return false;};
00090     virtual bool EP9_IN_callback(){return false;};
00091     virtual bool EP10_OUT_callback(){return false;};
00092     virtual bool EP10_IN_callback(){return false;};
00093     virtual bool EP11_OUT_callback(){return false;};
00094     virtual bool EP11_IN_callback(){return false;};
00095     virtual bool EP12_OUT_callback(){return false;};
00096     virtual bool EP12_IN_callback(){return false;};
00097     virtual bool EP13_OUT_callback(){return false;};
00098     virtual bool EP13_IN_callback(){return false;};
00099     virtual bool EP14_OUT_callback(){return false;};
00100     virtual bool EP14_IN_callback(){return false;};
00101     virtual bool EP15_OUT_callback(){return false;};
00102     virtual bool EP15_IN_callback(){return false;};
00103 #endif
00104 #endif
00105 
00106 private:
00107     void usbisr(void);
00108     static void _usbisr(void);
00109     static USBHAL * instance;
00110 
00111 #if defined(TARGET_LPC11UXX) || defined(TARGET_LPC11U6X) || defined(TARGET_LPC1347) || defined(TARGET_LPC1549)
00112         bool (USBHAL::*epCallback[10 - 2])(void);
00113 #elif defined(TARGET_STM32F4)
00114         bool (USBHAL::*epCallback[8 - 2])(void);
00115 #else
00116         bool (USBHAL::*epCallback[32 - 2])(void);
00117 #endif
00118 
00119 
00120 };
00121 #endif